On the role of γ particles within γ′ precipitates on damage accumulation in the P/M nickel-base superalloy N18

B. Flageolet; M. Jouiad; P. Villechaise; J. Mendez

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On the role of γ particles within γ′ precipitates on damage accumulation in the P/M nickel-base superalloy N18

机译：在P / M镍基高温合金N18中，γ'沉淀物中的γ颗粒对损伤积累的作用

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The contribution of intergranular γ′ precipitates on the damage accumulation of the powder metallurgy superalloy N18 has been investigated. Electron microscopy investigations tend to link the deformation of primary precipitates to γ particles forming within primary γ′ precipitates. Indeed, these fine ductile particles can act as dislocation sources. The plasticity of primary precipitates is, thus, assisted by the presence of γ particles and deformation incompatibilities are consequently increased at γ/γ′ interfaces.

机译：研究了晶间γ'析出物对粉末冶金高温合金N18损伤累积的贡献。电子显微镜研究倾向于将初级析出物的变形与在初级γ'析出物中形成的γ颗粒联系起来。实际上，这些细小的可延展颗粒可以充当位错源。因此，主要沉淀物的可塑性受到γ颗粒的帮助，因此变形不相容性在γ/γ'界面处增加。

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来源
《Materials Science and Engineering. A, Structural Materials》 |2005年第2期|p.199-205|共7页
作者
B. Flageolet; M. Jouiad; P. Villechaise; J. Mendez;
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作者单位

Laboratoire de Mecanique et de Physique des Materiaux UMR-CNRS 6617-Ecole Nationale Superieure de Mecanique et d'Aerotechnique, BP 109, 86961 Futuroscope cedex, France;

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正文语种 eng
中图分类工程材料学;
关键词
γ particles; nickel-base superalloy; primary precipitates; damage; creep-fatigue;

机译：γ粒子;镍基高温合金;初生析出物;损伤;蠕变疲劳;

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专利

1. Review Progress in Ostwald ripening theories and their applications to the gamma '-precipitates in nickel-base superalloys - Part II - Nickel-base superalloys [Review] [J] . Baldan A. Journal of Materials Science . 2002,第12期

机译：奥斯特瓦尔德成熟理论的进展及其在镍基高温合金中γ'-沉淀中的应用-第二部分-镍基高温合金[综述]
2. Review Progress in Ostwald ripening theories and their applications to the γ′-precipitates in nickel-base superalloys Part II Nickel-base superalloys [J] . A. Baldan Journal of Materials Science . 2002,第12期

机译：奥斯特瓦尔德成熟理论的进展及其在镍基高温合金γ'-沉淀中的应用第二部分镍基高温合金
3. Determination of solute site occupancies within gamma' precipitates in nickel-base superalloys via orientation-specific atom probe tomography [J] . Meher S., Rojhirunsakool T., Nandwana P., Ultramicroscopy . 2015,第Pta2期

机译：通过取向特定原子探针层析成像技术确定镍基高温合金中γ'析出物中的溶质位点占有率
4. Influence of Metallographic Etchant on y' Precipitates Characterization in a Single Crystal Nickel-Base Superalloy [C] . Xiaoli Zhuang, Hongyu Wu, Jiayong Si, Chinese Materials Conference . 2016

机译：金相蚀刻剂对单晶镍基超合金中的析出沉淀特性的影响
5. Moment invariants for two-dimensional and three-dimensional characterization of the morphology of gamma-prime precipitates in nickel-base superalloys. [D] . MacSleyne, Jeremiah P. 2008

机译：二维和三维表征镍基高温合金中γ初生析出物形态的矩不变量。
6. The contrasting roles of creep and stress relaxation in the time-dependent deformation during in-situ cooling of a nickel-base single crystal superalloy [O] . Chinnapat Panwisawas, Neil D’Souza, David M. Collins, -1

机译：镍基单晶高温合金原位冷却过程中蠕变和应力松弛在时间依赖性变形中的对比作用
7. Instabilities in the periodic arrangement of elastically interacting precipitates in nickel-base superalloys [O] . M. Degeiter, Y. Le Bouar, B. Appolaire, 2020

机译：在镍基超合金中弹性相互作用沉淀物的周期性布置的稳定性
8. Compositional Variations Between Different Generations of Gamma Precipitates Forming During Continuous Cooling of a Commercial Nickel-Base Superalloy [R] . Hwang, J. Y., Nag, S., Singh, A. R., 2009

机译：商用镍基高温合金连续冷却过程中不同代伽玛沉淀物形成的组成变化

On the role of γ particles within γ′ precipitates on damage accumulation in the P/M nickel-base superalloy N18

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